logarithms. Express powers as factors. 1. A 50-mg sample of a radioactive substance decays to 34 mg after 30 days. How long will it take for there to be 2 mg remaining?
logarithms. Express powers as factors. 1. A 50-mg sample of a radioactive substance decays to 34 mg after 30 days. How long will it take for there to be 2 mg remaining?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter2: Exponential, Logarithmic, And Trigonometric Functions
Section2.3: Applications: Growth And Decay
Problem 21E: Half-Life The half-life of radium-226 is approximately 1620 years. a. How much of sample weighing 4...
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Transcribed Image Text:logarithms. Express powers as factors.
1. A 50-mg sample of a radioactive substance decays to 34
mg after 30 days. How long will it take for there to be 2 mg
remaining?
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